CVE-2026-18663 | BDVDB-2026-358282 Detail

Description#

A flaw was found in 389-ds-base. The get_ldapmessage_controls_ext() function frees the parsed controls array on the Session Tracking critical-control rejection path without clearing the SLAPI_REQCONTROLS pblock slot. Operation teardown then frees the same pointer again, causing a double-free. An unauthenticated remote attacker can trigger this with a single BIND request carrying a critical Session Tracking control, resulting in heap corruption and potential denial of service.

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Exploit#

History#

1. Version 12026-08-12Record published in the CVE List.
2. Version 22026-11-05Most recent update recorded in the CVE List.